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Rimkorolgite (Rimkorolgit)

Pictures (3 Images total)

Rimkorolgit
Views (File:
1167328533
): 1131
Rimkorolgit
Bildbreite: 3 mm; Fundort: Zheleznyi Mine, Kovdor Massif, Kola, Russland
Copyright: Stephan Wolfsried; Contribution: Hg
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Zheleznyi Mine (Iron Mine)
Mineral: Rimkorolgite
Image: 1167328533
Rating: 7.5 (votes: 2)
License: Usage for Mineralienatlas project only
Rimkorolgit

Bildbreite: 3 mm; Fundort: Zheleznyi Mine, Kovdor Massif, Kola, Russland
Copyright: Stephan Wolfsried
Contribution: Hg 2006-12-28
Locality: Zheleznyi Mine (Iron Mine) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Rimkorolgit
Views (File:
1222592432
): 821
Rimkorolgit
Bildbreite: 7 mm; Zheleznyi Mine, Kovdor Massif, Halbinsel Kola, Murmansk, Russland
Copyright: Leonardus; Contribution: slugslayer
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Zheleznyi Mine (Iron Mine)
Mineral: Rimkorolgite
Image: 1222592432
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Rimkorolgit

Bildbreite: 7 mm; Zheleznyi Mine, Kovdor Massif, Halbinsel Kola, Murmansk, Russland
Copyright: Leonardus
Contribution: slugslayer 2008-09-28
Locality: Zheleznyi Mine (Iron Mine) / Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Rimkorolgit
Views (File:
1360801544
): 802
Rimkorolgit
Bildbreite: 2 mm, Fundort: Kovdor, Kola-Halbinsel, Murmansk, Russland
Copyright: Luigi Chiappino; Contribution: thdun5
Location: Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor
Mineral: Rimkorolgite
Image: 1360801544
License: Usage for Mineralienatlas project only
Rimkorolgit

Bildbreite: 2 mm, Fundort: Kovdor, Kola-Halbinsel, Murmansk, Russland
Copyright: Luigi Chiappino
Contribution: thdun5 2013-02-14
Locality: Kovdor / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color blassrosa, gelbbraun
Streak color weiß
Hardness (Mohs) 3
Cleavages vollkommen {001}
Fracture uneben
Solubility +++ verdünnte HCl
Crystal System monoklin, P21/c

Chemism

Chemical formula

(Mg,Mn)5(Ba,Sr,Ca)(PO4)4·8H2O

Chemical composition

Barium, Calcium, Magnesium, Mangan, Strontium, Phosphor, Sauerstoff, Wasserstoff

Unit weight: 796.515814175 u; Number of atoms in the formula: 50

Info

Empirical formula:

(Mg0.75Mn0.25)5(Ba0.6Sr0.3Ca0.1)(PO4)4·8H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.02

16

32.00

1.0079470

16.1271520
Oxygen

O

48.21

24

48.00

15.9994300

383.9863200
Magnesium

Mg

11.44

3.75

7.50

24.3050600

91.1439750
Phosphorus

P

15.55

4

8.00

30.9737612

123.8950448
Calcium

Ca

0.50

0.1

0.20

40.0784000

4.0078400
Manganese

Mn

8.62

1.25

2.50

54.9380499

68.6725624
Strontium

Sr

3.30

0.3

0.60

87.6210000

26.2863000
Barium

Ba

10.34

0.6

1.20

137.3277000

82.3966200

Analysis wt%

MgO : 26.55, MnO : 1.55, SrO : 1.80, BaO : 16.95, P2O5 : 36.25, H2O : 17.50 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 95)

Strunz 9th edition incl. updates

8.CH.45

8: Phosphate, Arsenate, Vanadate
C: Phosphate ohne weitere Anionen, mit H2O
H: Mit großen und mittelgroßen Kationen, RO4:H2O < 1:1
45:Rimkorolgit-Gruppe

Lapis Classification

VII/C.20-010

VII: PHOSPHATE, ARSENATE UND VANADATE ("Phosphate" des Registers immer einschließlich isotyper Arsenate und Vanadate!)
C: Wasserhaltige Phosphate, ohne fremde Anionen
20: Mittelgroße und große Kationen: Fe-Mn-Zn-Mg und Ca-(NH4) 1+

Classification by Hölzel

8.CE.360

8: PHOSPHATES ARSENATES VANADATES
C: Phosphates (-Anions +Water)
E: Phosphates, very large: 1,2 Vmed: 2,3
3: very large: 2, Vmed: 2,3 Smolianinovite-Group

Dana 8th edition

40.05.15.01

40: Hydrated Phosphates, etc
05: Hydrated Phosphates, etc with miscellaneous formulae

IMA status

Anerkannt von der CNMNC

Mineral status

anerkanntes Mineral

Optical Properties

Color

blassrosa, gelbbraun

Streak color

weiß

max. Birefringence

0.006
Birefringence chart\! Rimkorolgite title=Birefringence chart Rimkorolgite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.552

RI value β

1.552

RI value γ / ε

1.558

Ri mean

1.554

2V angle

Biaxial (+) 23°

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

8.335

Cell parameters b (Å)

12.830

Cell parameters c (Å)

18.313

Cell parameters a/b or c/a

0.650

Cell parameters c/b

1.427

Cell parameters α

90°

Cell parameters β

90.3

Cell parameters γ

90°

Z

4

Volumne (ų)

1958.33

X-Ray Powder Diffraction

10.51(100),
3.874(30),
3.520(30),
3.081(80),
3.054(40),
2.969(40),
2.839(30),
2.089(30)
XRD chart Rimkorolgite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

3

VHN (Hardness Vickers)

83 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.67 (gemessen)

2.701 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {001}

Fracture

uneben

Tenacity

spröde

Instability

+++ verdünnte HCl

(Co-)Type locality

(Co-)Type locality

Russland/Nordwestrussland, Föderationskreis/Murmansk, Oblast/Kola-Halbinsel/Kovdor/Zheleznyi Mine (Iron Mine)

Preface

Author (Name, Year)

Britvin & Pakhomovskiy & Bogdanova & Khomyakov & Krasnova, 1995

References

Zapiski Vserossiskogo Mineralogicheskogo Obshchetstva 124 (1995) (1), 90

Other languages

German

Rimkorolgit

Spanish

Rimkorolgita

French

Rimkorolgite

English

Rimkorolgite

Russian

Римкорольгит

Traditional Chinese

磷鋇鎂石

Simplified Chinese

磷钡镁石

CNMNC (IMA)-Number

IMA 1990-032

CNMNC symbol

Symbol

Rolg

Locations with GPS information